Pelen, M. S. And ARTUT, P. 2016. An investigatoon of middle school students achievements on missing value problems. 13 th International Congress on Mathematical Education , (Hamburg, Germany).

Pelen, M. S., & ARTUT, P., (2016). An investigatoon of middle school students achievements on missing value problems . 13 th International Congress on Mathematical Education, Hamburg, Germany

Pelen, Mustafa, And PERİHAN ARTUT. "An investigatoon of middle school students achievements on missing value problems," 13 th International Congress on Mathematical Education, Hamburg, Germany, 2016

Pelen, Mustafa S. And ARTUT, PERİHAN. "An investigatoon of middle school students achievements on missing value problems." 13 th International Congress on Mathematical Education , Hamburg, Germany, 2016

Pelen, M. S. And ARTUT, P. (2016) . "An investigatoon of middle school students achievements on missing value problems." 13 th International Congress on Mathematical Education , Hamburg, Germany.

@conferencepaper{conferencepaper, author={Mustafa Serkan Pelen And author={PERİHAN ARTUT}, title={An investigatoon of middle school students achievements on missing value problems}, congress name={13 th International Congress on Mathematical Education}, city={Hamburg}, country={Germany}, year={2016}}